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Saturn now holds the all-time record for most moons

Saturn has pulled decisively ahead in the solar system’s quiet “moon race,” with astronomers now tallying a staggering 274 natural satellites circling the ringed giant. The new count, driven by the ...

One of Neptune's 16 moons is not like the others, James Webb telescope finds — and it could be key to fully understanding the solar system

Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s ...

Neptune’s Moon May Have Survived Ancient Cataclysmic Event

Neptune's moon Nereid may be the sole survivor of an ancient set of moons, according to new findings from NASA's James Webb Space Telescope ...

Neptune’s mysterious moon Nereid may be an original, study shows

Neptune's mysterious, far-flung moon Nereid may be the last of the planet's original companions. Scientists at the California Institute of Technology reported Wednesday that they used NASA's Webb ...

Neptunian moon Nereid could be lone intact survivor from ancient satellite system

Neptune’s third-largest moon, Nereid, could be an intact survivor from the planet’s original satellite system, upending ...

This Moon of Neptune Might Have Survived a Wrecking-Ball Event

Neptune’s moons have long provided evidence of a cataclysm four billion years ago. A new study suggests one moon may have ...